Clean up configuration and remove duplicate code

- Add Chrome debug scripts to .gitignore
- Improve bin/dev ReScript build error output with detailed messages
- Disable early_hints debug mode in production (exposes internals)
- Remove duplicate infer_spec_type_from_file_location! call in rails_helper

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: justin808

.gitignore

@@ -67,3 +67,7 @@ client/app/bundles/comments/rescript/**/*.bs.js
 
 .claude/
 .context/
+
+# Chrome DevTools debug scripts (development-only)
+check_early_hints.js
+check_early_hints.py

bin/dev

@@ -35,11 +35,13 @@ def run_precompile_tasks
 
   # Build ReScript files first
   print "   ReScript build... "
-  if system("yarn res:build > /dev/null 2>&1")
+  output = `yarn res:build 2>&1`
+  if $?.success?
     puts "✅"
   else
     puts "❌"
-    puts "   Failed to build ReScript files. Run 'yarn res:build' to see errors."
+    puts "   Failed to build ReScript files:"
+    output.each_line { |line| puts "   #{line}" }
     exit 1
   end
 

config/shakapacker.yml

@@ -72,4 +72,4 @@ production:
   # Early hints configuration
   early_hints:
     enabled: true
-    debug: true # Set to true to output debug info as HTML comments
+    debug: false # Set to true to output debug info as HTML comments (exposes internals)

spec/rails_helper.rb

@@ -89,20 +89,6 @@
     Capybara.reset_sessions!
   end
 
-  # RSpec Rails can automatically mix in different behaviours to your tests
-  # based on their file location, for example enabling you to call `get` and
-  # `post` in specs under `spec/controllers`.
-  #
-  # You can disable this behaviour by removing the line below, and instead
-  # explicitly tag your specs with their type, e.g.:
-  #
-  #     RSpec.describe UsersController, :type => :controller do
-  #       # ...
-  #     end
-  #
-  # The different available types are documented in the features, such as in
-  # https://relishapp.com/rspec/rspec-rails/docs
-  config.infer_spec_type_from_file_location!
   config.include Capybara::DSL
 
   # This will insert a <base> tag with the asset host into the pages created by